top of page


This hydrometer is the one we use.  

It is super simple to use, makes checking your specific gravities easy!


  • Handy compact size for use with hard-to-get-at batteries
  • Large, easy-to-read scale with quick-check colored sectors
  • Readings independant of vertical positioning of instrument
  • Fast, bubble-free intake of fluid sample
  • Automatic air-lock prevents fluid loss and air bleed
  • Unexcelled temperature compensation and measuring accuracy
  • Sturdy, shock-resistant materials, non-corrosive throughout


Dimensions: 5.25" x 4.25" x 1.5"




HydroVolt Battery Hydrometer

    bottom of page